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Finding the Fourth Proportional to 675,000.38, 931,466.30 and 373,136.06

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Solution

The fourth proportional to 675,000.38, 931,466.30 and 373,136.06 is: 514,908.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,000.38 : 931,466.30 = 373,136.06 : x
  2. Step 2: Convert to fraction form
    675,000.38/931,466.30 = 373,136.06/x
  3. Step 3: Cross multiply
    675,000.38x = 931,466.30 × 373,136.06
  4. Step 4: Simplify right side
    675,000.38x = 347,563,665,204.78
  5. Step 5: Solve for x
    x = 347,563,665,204.78/675,000.38
  6. Step 6: Final answer
    x = 514,908.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.